OK, let's work through this together. We're starting with 41 and we're going to multiply it by 491, which means we add 41 to itself 491 times.
Step 1: 0 + 41 = 41
Step 2: 41 + 41 = 82
Step 3: 82 + 41 = 123
Step 4: 123 + 41 = 164
Step 5: 164 + 41 = 205
Step 6: 205 + 41 = 246
Step 7: 246 + 41 = 287
Step 8: 287 + 41 = 328
Step 9: 328 + 41 = 369
Step 10: 369 + 41 = 410
Step 11: 410 + 41 = 451
Step 12: 451 + 41 = 492
Step 13: 492 + 41 = 533
Step 14: 533 + 41 = 574
Step 15: 574 + 41 = 615
Step 16: 615 + 41 = 656
Step 17: 656 + 41 = 697
Step 18: 697 + 41 = 738
Step 19: 738 + 41 = 779
Step 20: 779 + 41 = 820
Step 21: 820 + 41 = 861
Step 22: 861 + 41 = 902
Step 23: 902 + 41 = 943
Step 24: 943 + 41 = 984
Step 25: 984 + 41 = 1025
Step 26: 1025 + 41 = 1066
Step 27: 1066 + 41 = 1107
Step 28: 1107 + 41 = 1148
Step 29: 1148 + 41 = 1189
Step 30: 1189 + 41 = 1230
Step 31: 1230 + 41 = 1271
Step 32: 1271 + 41 = 1312
Step 33: 1312 + 41 = 1353
Step 34: 1353 + 41 = 1394
Step 35: 1394 + 41 = 1435
Step 36: 1435 + 41 = 1476
Step 37: 1476 + 41 = 1517
Step 38: 1517 + 41 = 1558
Step 39: 1558 + 41 = 1599
Step 40: 1599 + 41 = 1640
Step 41: 1640 + 41 = 1681
Step 42: 1681 + 41 = 1722
Step 43: 1722 + 41 = 1763
Step 44: 1763 + 41 = 1804
Step 45: 1804 + 41 = 1845
Step 46: 1845 + 41 = 1886
Step 47: 1886 + 41 = 1927
Step 48: 1927 + 41 = 1968
Step 49: 1968 + 41 = 2009
Step 50: 2009 + 41 = 2050
Step 51: 2050 + 41 = 2091
Step 52: 2091 + 41 = 2132
Step 53: 2132 + 41 = 2173
Step 54: 2173 + 41 = 2214
Step 55: 2214 + 41 = 2255
Step 56: 2255 + 41 = 2296
Step 57: 2296 + 41 = 2337
Step 58: 2337 + 41 = 2378
Step 59: 2378 + 41 = 2419
Step 60: 2419 + 41 = 2460
Step 61: 2460 + 41 = 2501
Step 62: 2501 + 41 = 2542
Step 63: 2542 + 41 = 2583
Step 64: 2583 + 41 = 2624
Step 65: 2624 + 41 = 2665
Step 66: 2665 + 41 = 2706
Step 67: 2706 + 41 = 2747
Step 68: 2747 + 41 = 2788
Step 69: 2788 + 41 = 2829
Step 70: 2829 + 41 = 2870
Step 71: 2870 + 41 = 2911
Step 72: 2911 + 41 = 2952
Step 73: 2952 + 41 = 2993
Step 74: 2993 + 41 = 3034
Step 75: 3034 + 41 = 3075
Step 76: 3075 + 41 = 3116
Step 77: 3116 + 41 = 3157
Step 78: 3157 + 41 = 3198
Step 79: 3198 + 41 = 3239
Step 80: 3239 + 41 = 3280
Step 81: 3280 + 41 = 3321
Step 82: 3321 + 41 = 3362
Step 83: 3362 + 41 = 3403
Step 84: 3403 + 41 = 3444
Step 85: 3444 + 41 = 3485
Step 86: 3485 + 41 = 3526
Step 87: 3526 + 41 = 3567
Step 88: 3567 + 41 = 3608
Step 89: 3608 + 41 = 3649
Step 90: 3649 + 41 = 3690
Step 91: 3690 + 41 = 3731
Step 92: 3731 + 41 = 3772
Step 93: 3772 + 41 = 3813
Step 94: 3813 + 41 = 3854
Step 95: 3854 + 41 = 3895
Step 96: 3895 + 41 = 3936
Step 97: 3936 + 41 = 3977
Step 98: 3977 + 41 = 4018
Step 99: 4018 + 41 = 4059
Step 100: 4059 + 41 = 4100
Step 101: 4100 + 41 = 4141
Step 102: 4141 + 41 = 4182
Step 103: 4182 + 41 = 4223
Step 104: 4223 + 41 = 4264
Step 105: 4264 + 41 = 4305
Step 106: 4305 + 41 = 4346
Step 107: 4346 + 41 = 4387
Step 108: 4387 + 41 = 4428
Step 109: 4428 + 41 = 4469
Step 110: 4469 + 41 = 4510
Step 111: 4510 + 41 = 4551
Step 112: 4551 + 41 = 4592
Step 113: 4592 + 41 = 4633
Step 114: 4633 + 41 = 4674
Step 115: 4674 + 41 = 4715
Step 116: 4715 + 41 = 4756
Step 117: 4756 + 41 = 4797
Step 118: 4797 + 41 = 4838
Step 119: 4838 + 41 = 4879
Step 120: 4879 + 41 = 4920
Step 121: 4920 + 41 = 4961
Step 122: 4961 + 41 = 5002
Step 123: 5002 + 41 = 5043
Step 124: 5043 + 41 = 5084
Step 125: 5084 + 41 = 5125
Step 126: 5125 + 41 = 5166
Step 127: 5166 + 41 = 5207
Step 128: 5207 + 41 = 5248
Step 129: 5248 + 41 = 5289
Step 130: 5289 + 41 = 5330
Step 131: 5330 + 41 = 5371
Step 132: 5371 + 41 = 5412
Step 133: 5412 + 41 = 5453
Step 134: 5453 + 41 = 5494
Step 135: 5494 + 41 = 5535
Step 136: 5535 + 41 = 5576
Step 137: 5576 + 41 = 5617
Step 138: 5617 + 41 = 5658
Step 139: 5658 + 41 = 5699
Step 140: 5699 + 41 = 5740
Step 141: 5740 + 41 = 5781
Step 142: 5781 + 41 = 5822
Step 143: 5822 + 41 = 5863
Step 144: 5863 + 41 = 5904
Step 145: 5904 + 41 = 5945
Step 146: 5945 + 41 = 5986
Step 147: 5986 + 41 = 6027
Step 148: 6027 + 41 = 6068
Step 149: 6068 + 41 = 6109
Step 150: 6109 + 41 = 6150
Step 151: 6150 + 41 = 6191
Step 152: 6191 + 41 = 6232
Step 153: 6232 + 41 = 6273
Step 154: 6273 + 41 = 6314
Step 155: 6314 + 41 = 6355
Step 156: 6355 + 41 = 6396
Step 157: 6396 + 41 = 6437
Step 158: 6437 + 41 = 6478
Step 159: 6478 + 41 = 6519
Step 160: 6519 + 41 = 6560
Step 161: 6560 + 41 = 6601
Step 162: 6601 + 41 = 6642
Step 163: 6642 + 41 = 6683
Step 164: 6683 + 41 = 6724
Step 165: 6724 + 41 = 6765
Step 166: 6765 + 41 = 6806
Step 167: 6806 + 41 = 6847
Step 168: 6847 + 41 = 6888
Step 169: 6888 + 41 = 6929
Step 170: 6929 + 41 = 6970
Step 171: 6970 + 41 = 7011
Step 172: 7011 + 41 = 7052
Step 173: 7052 + 41 = 7093
Step 174: 7093 + 41 = 7134
Step 175: 7134 + 41 = 7175
Step 176: 7175 + 41 = 7216
Step 177: 7216 + 41 = 7257
Step 178: 7257 + 41 = 7298
Step 179: 7298 + 41 = 7339
Step 180: 7339 + 41 = 7380
Step 181: 7380 + 41 = 7421
Step 182: 7421 + 41 = 7462
Step 183: 7462 + 41 = 7503
Step 184: 7503 + 41 = 7544
Step 185: 7544 + 41 = 7585
Step 186: 7585 + 41 = 7626
Step 187: 7626 + 41 = 7667
Step 188: 7667 + 41 = 7708
Step 189: 7708 + 41 = 7749
Step 190: 7749 + 41 = 7790
Step 191: 7790 + 41 = 7831
Step 192: 7831 + 41 = 7872
Step 193: 7872 + 41 = 7913
Step 194: 7913 + 41 = 7954
Step 195: 7954 + 41 = 7995
Step 196: 7995 + 41 = 8036
Step 197: 8036 + 41 = 8077
Step 198: 8077 + 41 = 8118
Step 199: 8118 + 41 = 8159
Step 200: 8159 + 41 = 8200
Step 201: 8200 + 41 = 8241
Step 202: 8241 + 41 = 8282
Step 203: 8282 + 41 = 8323
Step 204: 8323 + 41 = 8364
Step 205: 8364 + 41 = 8405
Step 206: 8405 + 41 = 8446
Step 207: 8446 + 41 = 8487
Step 208: 8487 + 41 = 8528
Step 209: 8528 + 41 = 8569
Step 210: 8569 + 41 = 8610
Step 211: 8610 + 41 = 8651
Step 212: 8651 + 41 = 8692
Step 213: 8692 + 41 = 8733
Step 214: 8733 + 41 = 8774
Step 215: 8774 + 41 = 8815
Step 216: 8815 + 41 = 8856
Step 217: 8856 + 41 = 8897
Step 218: 8897 + 41 = 8938
Step 219: 8938 + 41 = 8979
Step 220: 8979 + 41 = 9020
Step 221: 9020 + 41 = 9061
Step 222: 9061 + 41 = 9102
Step 223: 9102 + 41 = 9143
Step 224: 9143 + 41 = 9184
Step 225: 9184 + 41 = 9225
Step 226: 9225 + 41 = 9266
Step 227: 9266 + 41 = 9307
Step 228: 9307 + 41 = 9348
Step 229: 9348 + 41 = 9389
Step 230: 9389 + 41 = 9430
Step 231: 9430 + 41 = 9471
Step 232: 9471 + 41 = 9512
Step 233: 9512 + 41 = 9553
Step 234: 9553 + 41 = 9594
Step 235: 9594 + 41 = 9635
Step 236: 9635 + 41 = 9676
Step 237: 9676 + 41 = 9717
Step 238: 9717 + 41 = 9758
Step 239: 9758 + 41 = 9799
Step 240: 9799 + 41 = 9840
Step 241: 9840 + 41 = 9881
Step 242: 9881 + 41 = 9922
Step 243: 9922 + 41 = 9963
Step 244: 9963 + 41 = 10004
Step 245: 10004 + 41 = 10045
Step 246: 10045 + 41 = 10086
Step 247: 10086 + 41 = 10127
Step 248: 10127 + 41 = 10168
Step 249: 10168 + 41 = 10209
Step 250: 10209 + 41 = 10250
Step 251: 10250 + 41 = 10291
Step 252: 10291 + 41 = 10332
Step 253: 10332 + 41 = 10373
Step 254: 10373 + 41 = 10414
Step 255: 10414 + 41 = 10455
Step 256: 10455 + 41 = 10496
Step 257: 10496 + 41 = 10537
Step 258: 10537 + 41 = 10578
Step 259: 10578 + 41 = 10619
Step 260: 10619 + 41 = 10660
Step 261: 10660 + 41 = 10701
Step 262: 10701 + 41 = 10742
Step 263: 10742 + 41 = 10783
Step 264: 10783 + 41 = 10824
Step 265: 10824 + 41 = 10865
Step 266: 10865 + 41 = 10906
Step 267: 10906 + 41 = 10947
Step 268: 10947 + 41 = 10988
Step 269: 10988 + 41 = 11029
Step 270: 11029 + 41 = 11070
Step 271: 11070 + 41 = 11111
Step 272: 11111 + 41 = 11152
Step 273: 11152 + 41 = 11193
Step 274: 11193 + 41 = 11234
Step 275: 11234 + 41 = 11275
Step 276: 11275 + 41 = 11316
Step 277: 11316 + 41 = 11357
Step 278: 11357 + 41 = 11398
Step 279: 11398 + 41 = 11439
Step 280: 11439 + 41 = 11480
Step 281: 11480 + 41 = 11521
Step 282: 11521 + 41 = 11562
Step 283: 11562 + 41 = 11603
Step 284: 11603 + 41 = 11644
Step 285: 11644 + 41 = 11685
Step 286: 11685 + 41 = 11726
Step 287: 11726 + 41 = 11767
Step 288: 11767 + 41 = 11808
Step 289: 11808 + 41 = 11849
Step 290: 11849 + 41 = 11890
Step 291: 11890 + 41 = 11931
Step 292: 11931 + 41 = 11972
Step 293: 11972 + 41 = 12013
Step 294: 12013 + 41 = 12054
Step 295: 12054 + 41 = 12095
Step 296: 12095 + 41 = 12136
Step 297: 12136 + 41 = 12177
Step 298: 12177 + 41 = 12218
Step 299: 12218 + 41 = 12259
Step 300: 12259 + 41 = 12300
Step 301: 12300 + 41 = 12341
Step 302: 12341 + 41 = 12382
Step 303: 12382 + 41 = 12423
Step 304: 12423 + 41 = 12464
Step 305: 12464 + 41 = 12505
Step 306: 12505 + 41 = 12546
Step 307: 12546 + 41 = 12587
Step 308: 12587 + 41 = 12628
Step 309: 12628 + 41 = 12669
Step 310: 12669 + 41 = 12710
Step 311: 12710 + 41 = 12751
Step 312: 12751 + 41 = 12792
Step 313: 12792 + 41 = 12833
Step 314: 12833 + 41 = 12874
Step 315: 12874 + 41 = 12915
Step 316: 12915 + 41 = 12956
Step 317: 12956 + 41 = 12997
Step 318: 12997 + 41 = 13038
Step 319: 13038 + 41 = 13079
Step 320: 13079 + 41 = 13120
Step 321: 13120 + 41 = 13161
Step 322: 13161 + 41 = 13202
Step 323: 13202 + 41 = 13243
Step 324: 13243 + 41 = 13284
Step 325: 13284 + 41 = 13325
Step 326: 13325 + 41 = 13366
Step 327: 13366 + 41 = 13407
Step 328: 13407 + 41 = 13448
Step 329: 13448 + 41 = 13489
Step 330: 13489 + 41 = 13530
Step 331: 13530 + 41 = 13571
Step 332: 13571 + 41 = 13612
Step 333: 13612 + 41 = 13653
Step 334: 13653 + 41 = 13694
Step 335: 13694 + 41 = 13735
Step 336: 13735 + 41 = 13776
Step 337: 13776 + 41 = 13817
Step 338: 13817 + 41 = 13858
Step 339: 13858 + 41 = 13899
Step 340: 13899 + 41 = 13940
Step 341: 13940 + 41 = 13981
Step 342: 13981 + 41 = 14022
Step 343: 14022 + 41 = 14063
Step 344: 14063 + 41 = 14104
Step 345: 14104 + 41 = 14145
Step 346: 14145 + 41 = 14186
Step 347: 14186 + 41 = 14227
Step 348: 14227 + 41 = 14268
Step 349: 14268 + 41 = 14309
Step 350: 14309 + 41 = 14350
Step 351: 14350 + 41 = 14391
Step 352: 14391 + 41 = 14432
Step 353: 14432 + 41 = 14473
Step 354: 14473 + 41 = 14514
Step 355: 14514 + 41 = 14555
Step 356: 14555 + 41 = 14596
Step 357: 14596 + 41 = 14637
Step 358: 14637 + 41 = 14678
Step 359: 14678 + 41 = 14719
Step 360: 14719 + 41 = 14760
Step 361: 14760 + 41 = 14801
Step 362: 14801 + 41 = 14842
Step 363: 14842 + 41 = 14883
Step 364: 14883 + 41 = 14924
Step 365: 14924 + 41 = 14965
Step 366: 14965 + 41 = 15006
Step 367: 15006 + 41 = 15047
Step 368: 15047 + 41 = 15088
Step 369: 15088 + 41 = 15129
Step 370: 15129 + 41 = 15170
Step 371: 15170 + 41 = 15211
Step 372: 15211 + 41 = 15252
Step 373: 15252 + 41 = 15293
Step 374: 15293 + 41 = 15334
Step 375: 15334 + 41 = 15375
Step 376: 15375 + 41 = 15416
Step 377: 15416 + 41 = 15457
Step 378: 15457 + 41 = 15498
Step 379: 15498 + 41 = 15539
Step 380: 15539 + 41 = 15580
Step 381: 15580 + 41 = 15621
Step 382: 15621 + 41 = 15662
Step 383: 15662 + 41 = 15703
Step 384: 15703 + 41 = 15744
Step 385: 15744 + 41 = 15785
Step 386: 15785 + 41 = 15826
Step 387: 15826 + 41 = 15867
Step 388: 15867 + 41 = 15908
Step 389: 15908 + 41 = 15949
Step 390: 15949 + 41 = 15990
Step 391: 15990 + 41 = 16031
Step 392: 16031 + 41 = 16072
Step 393: 16072 + 41 = 16113
Step 394: 16113 + 41 = 16154
Step 395: 16154 + 41 = 16195
Step 396: 16195 + 41 = 16236
Step 397: 16236 + 41 = 16277
Step 398: 16277 + 41 = 16318
Step 399: 16318 + 41 = 16359
Step 400: 16359 + 41 = 16400
Step 401: 16400 + 41 = 16441
Step 402: 16441 + 41 = 16482
Step 403: 16482 + 41 = 16523
Step 404: 16523 + 41 = 16564
Step 405: 16564 + 41 = 16605
Step 406: 16605 + 41 = 16646
Step 407: 16646 + 41 = 16687
Step 408: 16687 + 41 = 16728
Step 409: 16728 + 41 = 16769
Step 410: 16769 + 41 = 16810
Step 411: 16810 + 41 = 16851
Step 412: 16851 + 41 = 16892
Step 413: 16892 + 41 = 16933
Step 414: 16933 + 41 = 16974
Step 415: 16974 + 41 = 17015
Step 416: 17015 + 41 = 17056
Step 417: 17056 + 41 = 17097
Step 418: 17097 + 41 = 17138
Step 419: 17138 + 41 = 17179
Step 420: 17179 + 41 = 17220
Step 421: 17220 + 41 = 17261
Step 422: 17261 + 41 = 17302
Step 423: 17302 + 41 = 17343
Step 424: 17343 + 41 = 17384
Step 425: 17384 + 41 = 17425
Step 426: 17425 + 41 = 17466
Step 427: 17466 + 41 = 17507
Step 428: 17507 + 41 = 17548
Step 429: 17548 + 41 = 17589
Step 430: 17589 + 41 = 17630
Step 431: 17630 + 41 = 17671
Step 432: 17671 + 41 = 17712
Step 433: 17712 + 41 = 17753
Step 434: 17753 + 41 = 17794
Step 435: 17794 + 41 = 17835
Step 436: 17835 + 41 = 17876
Step 437: 17876 + 41 = 17917
Step 438: 17917 + 41 = 17958
Step 439: 17958 + 41 = 17999
Step 440: 17999 + 41 = 18040
Step 441: 18040 + 41 = 18081
Step 442: 18081 + 41 = 18122
Step 443: 18122 + 41 = 18163
Step 444: 18163 + 41 = 18204
Step 445: 18204 + 41 = 18245
Step 446: 18245 + 41 = 18286
Step 447: 18286 + 41 = 18327
Step 448: 18327 + 41 = 18368
Step 449: 18368 + 41 = 18409
Step 450: 18409 + 41 = 18450
Step 451: 18450 + 41 = 18491
Step 452: 18491 + 41 = 18532
Step 453: 18532 + 41 = 18573
Step 454: 18573 + 41 = 18614
Step 455: 18614 + 41 = 18655
Step 456: 18655 + 41 = 18696
Step 457: 18696 + 41 = 18737
Step 458: 18737 + 41 = 18778
Step 459: 18778 + 41 = 18819
Step 460: 18819 + 41 = 18860
Step 461: 18860 + 41 = 18901
Step 462: 18901 + 41 = 18942
Step 463: 18942 + 41 = 18983
Step 464: 18983 + 41 = 19024
Step 465: 19024 + 41 = 19065
Step 466: 19065 + 41 = 19106
Step 467: 19106 + 41 = 19147
Step 468: 19147 + 41 = 19188
Step 469: 19188 + 41 = 19229
Step 470: 19229 + 41 = 19270
Step 471: 19270 + 41 = 19311
Step 472: 19311 + 41 = 19352
Step 473: 19352 + 41 = 19393
Step 474: 19393 + 41 = 19434
Step 475: 19434 + 41 = 19475
Step 476: 19475 + 41 = 19516
Step 477: 19516 + 41 = 19557
Step 478: 19557 + 41 = 19598
Step 479: 19598 + 41 = 19639
Step 480: 19639 + 41 = 19680
Step 481: 19680 + 41 = 19721
Step 482: 19721 + 41 = 19762
Step 483: 19762 + 41 = 19803
Step 484: 19803 + 41 = 19844
Step 485: 19844 + 41 = 19885
Step 486: 19885 + 41 = 19926
Step 487: 19926 + 41 = 19967
Step 488: 19967 + 41 = 20008
Step 489: 20008 + 41 = 20049
Step 490: 20049 + 41 = 20090
Step 491: 20090 + 41 = 20131

So, 41*491 = 20131